text: /*****************************************************************************
   * analyse.h: h264 encoder library
   *****************************************************************************
   * Copyright (C) 2003-2008 x264 project
   *
   * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   *          Loren Merritt <lorenm@u.washington.edu>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111, USA.
   *****************************************************************************/
  
  #ifndef X264_ANALYSE_H
  #define X264_ANALYSE_H
  
  int x264_analyse_init_costs( x264_t *h, int qp );
  void x264_analyse_free_costs( x264_t *h );
  void x264_macroblock_analyse( x264_t *h );
  void x264_slicetype_decide( x264_t *h );
  
  void x264_slicetype_analyse( x264_t *h, int keyframe );
  
  int x264_weighted_reference_duplicate( x264_t *h, int i_ref, const x264_weight_t *w );
  void x264_weights_analyse( x264_t *h, x264_frame_t *fenc, x264_frame_t *ref, int b_lowres, int b_lookahead );
  
  int  x264_lookahead_init( x264_t *h, int i_slicetype_length );
  int  x264_lookahead_is_empty( x264_t *h );
  void x264_lookahead_put_frame( x264_t *h, x264_frame_t *frame );
  void x264_lookahead_get_frames( x264_t *h );
  void x264_lookahead_delete( x264_t *h );
  
  #endif
  